Top 5 SEO
1. Quality Content

2. Use Structural (Semantic) Mark Up and Separate Content from Presentation

3. Titles and Meta Data

4. Keyword Research and Effective Keyword Use

5. Quality Inbound Links

white hat SEO refers to the usage of optimization strategies, techniques and tactics that focus on a human audience opposed to search engines and completely follows search engine rules and policies. ... Also called Ethical SEO.

Quality Content,
Title Tag,
Meta Description.

If you are using a google guideline for SEO, Its the white hat seo like a fresh content, social media marketing, increase the website traffic..Etc.

proper off page and on page process is white hat

White Hat SEO is a practice used to improve search performance that is in line with terms and conditions of a search engine. In this tutorial, you'll learn:
1 What White Hat SEO is, exactly
2 How White Hat SEO can affect your website and business
3 How to Implement Effective White Hat SEO Tactics Without Breaking the Rules

White Hat SEO implies all works or all backlinks of your site ought to be certifiable and quality backlinks whether it On Page or Off Page.

Quality Content
Use Structural (Semantic) Mark Up and Separate Content from Presentation
Titles and Meta Data
Keyword Research and Effective Keyword Use
Quality Inbound Links